Lessons learned and recommendations following the shooting at marjory stoneman douglas high school 8 impacted the response. Verkkothe lessons learned from columbine led the us justice department and other federal agencies to partially fund an active shooter program known as. Verkkothe path to intended violence model is employed to highlight the perpetrator’s escalating behaviors from grievance through the attack itself. Verkkothe report says the first three responding uvalde officers entered the west hall exterior door and an additional four officers entered the south hall.